1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
package daemon
import (
"context"
"fmt"
"github.com/docker/docker/api/types/swarm"
"github.com/docker/docker/internal/test"
"github.com/pkg/errors"
"gotest.tools/assert"
)
const (
// DefaultSwarmPort is the default port use for swarm in the tests
DefaultSwarmPort = 2477
defaultSwarmListenAddr = "0.0.0.0"
)
var (
startArgs = []string{"--iptables=false", "--swarm-default-advertise-addr=lo"}
)
// StartNode starts daemon to be used as a swarm node
func (d *Daemon) StartNode(t testingT) {
if ht, ok := t.(test.HelperT); ok {
ht.Helper()
}
// avoid networking conflicts
d.StartWithBusybox(t, startArgs...)
}
// RestartNode restarts a daemon to be used as a swarm node
func (d *Daemon) RestartNode(t testingT) {
if ht, ok := t.(test.HelperT); ok {
ht.Helper()
}
// avoid networking conflicts
d.Stop(t)
d.StartWithBusybox(t, startArgs...)
}
// StartAndSwarmInit starts the daemon (with busybox) and init the swarm
func (d *Daemon) StartAndSwarmInit(t testingT) {
d.StartNode(t)
d.SwarmInit(t, swarm.InitRequest{})
}
// StartAndSwarmJoin starts the daemon (with busybox) and join the specified swarm as worker or manager
func (d *Daemon) StartAndSwarmJoin(t testingT, leader *Daemon, manager bool) {
d.StartNode(t)
tokens := leader.JoinTokens(t)
token := tokens.Worker
if manager {
token = tokens.Manager
}
d.SwarmJoin(t, swarm.JoinRequest{
RemoteAddrs: []string{leader.SwarmListenAddr()},
JoinToken: token,
})
}
// SpecConstructor defines a swarm spec constructor
type SpecConstructor func(*swarm.Spec)
// SwarmListenAddr returns the listen-addr used for the daemon
func (d *Daemon) SwarmListenAddr() string {
return fmt.Sprintf("%s:%d", d.swarmListenAddr, d.SwarmPort)
}
// NodeID returns the swarm mode node ID
func (d *Daemon) NodeID() string {
return d.CachedInfo.Swarm.NodeID
}
// SwarmInit initializes a new swarm cluster.
func (d *Daemon) SwarmInit(t assert.TestingT, req swarm.InitRequest) {
if ht, ok := t.(test.HelperT); ok {
ht.Helper()
}
if req.ListenAddr == "" {
req.ListenAddr = fmt.Sprintf("%s:%d", d.swarmListenAddr, d.SwarmPort)
}
if req.DefaultAddrPool == nil {
req.DefaultAddrPool = d.DefaultAddrPool
req.SubnetSize = d.SubnetSize
}
cli := d.NewClientT(t)
defer cli.Close()
_, err := cli.SwarmInit(context.Background(), req)
assert.NilError(t, err, "initializing swarm")
d.CachedInfo = d.Info(t)
}
// SwarmJoin joins a daemon to an existing cluster.
func (d *Daemon) SwarmJoin(t assert.TestingT, req swarm.JoinRequest) {
if ht, ok := t.(test.HelperT); ok {
ht.Helper()
}
if req.ListenAddr == "" {
req.ListenAddr = fmt.Sprintf("%s:%d", d.swarmListenAddr, d.SwarmPort)
}
cli := d.NewClientT(t)
defer cli.Close()
err := cli.SwarmJoin(context.Background(), req)
assert.NilError(t, err, "initializing swarm")
d.CachedInfo = d.Info(t)
}
// SwarmLeave forces daemon to leave current cluster.
func (d *Daemon) SwarmLeave(force bool) error {
cli, err := d.NewClient()
if err != nil {
return fmt.Errorf("leaving swarm: failed to create client %v", err)
}
defer cli.Close()
err = cli.SwarmLeave(context.Background(), force)
if err != nil {
err = fmt.Errorf("leaving swarm: %v", err)
}
return err
}
// SwarmInfo returns the swarm information of the daemon
func (d *Daemon) SwarmInfo(t assert.TestingT) swarm.Info {
if ht, ok := t.(test.HelperT); ok {
ht.Helper()
}
cli := d.NewClientT(t)
info, err := cli.Info(context.Background())
assert.NilError(t, err, "get swarm info")
return info.Swarm
}
// SwarmUnlock tries to unlock a locked swarm
func (d *Daemon) SwarmUnlock(req swarm.UnlockRequest) error {
cli, err := d.NewClient()
if err != nil {
return fmt.Errorf("unlocking swarm: failed to create client %v", err)
}
defer cli.Close()
err = cli.SwarmUnlock(context.Background(), req)
if err != nil {
err = errors.Wrap(err, "unlocking swarm")
}
return err
}
// GetSwarm returns the current swarm object
func (d *Daemon) GetSwarm(t assert.TestingT) swarm.Swarm {
if ht, ok := t.(test.HelperT); ok {
ht.Helper()
}
cli := d.NewClientT(t)
defer cli.Close()
sw, err := cli.SwarmInspect(context.Background())
assert.NilError(t, err)
return sw
}
// UpdateSwarm updates the current swarm object with the specified spec constructors
func (d *Daemon) UpdateSwarm(t assert.TestingT, f ...SpecConstructor) {
if ht, ok := t.(test.HelperT); ok {
ht.Helper()
}
cli := d.NewClientT(t)
defer cli.Close()
sw := d.GetSwarm(t)
for _, fn := range f {
fn(&sw.Spec)
}
err := cli.SwarmUpdate(context.Background(), sw.Version, sw.Spec, swarm.UpdateFlags{})
assert.NilError(t, err)
}
// RotateTokens update the swarm to rotate tokens
func (d *Daemon) RotateTokens(t assert.TestingT) {
if ht, ok := t.(test.HelperT); ok {
ht.Helper()
}
cli := d.NewClientT(t)
defer cli.Close()
sw, err := cli.SwarmInspect(context.Background())
assert.NilError(t, err)
flags := swarm.UpdateFlags{
RotateManagerToken: true,
RotateWorkerToken: true,
}
err = cli.SwarmUpdate(context.Background(), sw.Version, sw.Spec, flags)
assert.NilError(t, err)
}
// JoinTokens returns the current swarm join tokens
func (d *Daemon) JoinTokens(t assert.TestingT) swarm.JoinTokens {
if ht, ok := t.(test.HelperT); ok {
ht.Helper()
}
cli := d.NewClientT(t)
defer cli.Close()
sw, err := cli.SwarmInspect(context.Background())
assert.NilError(t, err)
return sw.JoinTokens
}
|
